Home / 20,245,082.25-27,938,213.52-11,077,725

Finding the Fourth Proportional to 20,245,082.25, 27,938,213.52 and 11,077,725

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Solution

The fourth proportional to 20,245,082.25, 27,938,213.52 and 11,077,725 is: 15,287,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,245,082.25 : 27,938,213.52 = 11,077,725 : x
  2. Step 2: Convert to fraction form
    20,245,082.25/27,938,213.52 = 11,077,725/x
  3. Step 3: Cross multiply
    20,245,082.25x = 27,938,213.52 × 11,077,725
  4. Step 4: Simplify right side
    20,245,082.25x = 309,491,846,365,842
  5. Step 5: Solve for x
    x = 309,491,846,365,842/20,245,082.25
  6. Step 6: Final answer
    x = 15,287,260.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.